Table 1.
Summary of previously reported strain sensors based on PPy-coated textiles.
| Textile Types | Method | Resistance | Maximum Strain Range | Gauge Factor | References |
|---|---|---|---|---|---|
| Cotton spandex | In situ polymerization at 0 °C | 3.83 Ω/cm2 | 0–9% | −1.23 | [38] |
| Polyester/Spandex | In situ polymerization at 0 °C | 6.77 Ω/cm2 | 0–8% | −0.05 | [38] |
| Lycra | In situ polymerization at room temperature | 375 Ω/cm2 | 0–60% | −0.69 | [37] |
| Cotton/Spandex | In situ polymerization at 0 °C | 8.93 Ω/cm2 | 0–25% | 0.71(15−25%) 1.1(0−15%) |
[22] |
| PU/PDMS | In situ polymerization at room temperature | 130.63 Ω/cm2 | 0.15 | [36] | |
| Cotton | In situ polymerization at 0–8 °C | 303 Ω sq−1 | 0–35% | 0.35 (0–15%) 2.39(15−35%) |
[11] |
| Nylon/Lycra | Screen-printing/vapor | 0–20% | 8 | [31] | |
| Polyester/Spandex | Low-temperature interfacial polymerization | 21.25 Ω/cm2 | 0–71% | −0.46 | This study |